Quick summary
You can change slide dimensions in Google Slides by opening Page setup from the File menu and selecting a preset or custom size. This lets you set any width and height for your presentation slides in just a few clicks.
Steps
- In the top menu, click File.
- From the dropdown menu, select Page setup.
- In the Page setup window, click the size dropdown menu.
- Choose a preset size, such as Standard (4:3), Widescreen (16:9), or Custom.
- If you choose Custom, enter the width and height you want for your slides.
- Click Apply to save the new slide dimensions.
- Your slide dimensions will now be updated throughout the presentation.
